82.32% is the change from 345 to 629
Calculation steps:
[( 629 - 345 ) ÷ 345] x 100 = 82.32%
Formula
Percentage change = [(629 - 345) / 345] x 100
Subtract the new number by the original number
629 - 345 = 284
284 ÷ 345 = 0.8231884057971014
0.8231884057971014 x 100 = 82.32%